MC connector systems

Multi-Contact AG was founded in 1962 and is currently employing more than 700 staff. All manufacturing sites are ISO 9001-certified and therefore meet the highest quality demands. The components of the MC connector system for photovoltaics are designed to allow time-saving and safe serial and parallel wiring of PV modules for building-integrated and free-standing solar installations. For practical use the connector systems MC3 and MC4 are available, depending on the existing modules or inverters.

Multi-Contact AG becomes Stäubli Electrical Connectors AG

Since 2017 the internationally active Swiss connector manufacturer Multi-Contact AG has been trading as Stäubli Electrical Connectors AG.

Multi Contact

MC4 connector systems

Multi Contact Mc4 Pv Systems

The interlockable MC4 connector systems:

  • Diameter Ø 4 mm
  • Rated current max. 30 A
  • System voltage max. 1000 V
  • Degree of protection, connected IP67
  • Easy installation
  • Locking system “Snap in”
  • Protection class II
  • Temperature range -40°C to +90°C
  • TÜV Rheinland – type approved
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Multi Contact

MC3 connector systems

Multi Contact Mc3 Pv Systems

The proven MC3 connector systems:

  • Diameter Ø 3 mm
  • Rated current max. 30 A for 6 mm², max. 20 A for < 4 mm²
  • System voltage max. 1000 V
  • Degree of protection, connected IP65
  • Protection class II
  • Temperature range -40°C to +90°C
  • TÜV Rheinland – type approved
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